
In SMT inductor selection, how should you choose CD series inductors? This is a common question for power management and consumer electronics factories. CD series inductors are wire-wound power inductors with insulated wire and a semi-open magnetic circuit. They feature high power, high saturation current, low impedance, small size and good insulation. Reel packaging supports automated SMT placement and reflow soldering.
For applications, CD series inductors are widely used in digital products, laptops, network communication, graphics cards, power modules, LCD backlight, automotive electronics and security products. In DC/DC power supplies, CD series inductors handle filtering, energy storage and signal transmission, so saturation current and impedance are key selection points. Buyers are mainly factory customers in consumer electronics, communications, computers and industrial control.
On the production side, CD series inductor lines use CD winding machines, soldering machines and test/packing machines. Donghong CD winding machines cover CD31 to CD108 models. The process includes feeding, winding, wire cutting, twisting, cutting, straightening, unloading and arranging. The soldering machine handles magnetic bar feeding, flux, soldering and unloading. The test/packing machine performs testing, sorting and tape packaging. With high-speed test/packing, UPH can reach about 8K/H per line, with about 6 machines, 2 workers and about 4.4K/H PPH per person.

Why do more customers choose one-stop SMT inductor selection and equipment solutions? As a source factory, Donghong Automation provides one-stop service from design and production to finished products based on one requirement. Its product line covers the full CD series inductors range, supports 7×24 response and reduces multi-supplier coordination costs. The right CD winding machine helps stabilize winding, soldering and testing. The next article will discuss NR magnetic shielded inductor selection and equipment configuration.
FAQ
Q: Which DC/DC scenarios suit CD series inductors?
A: Power modules, graphics cards and network communication filtering/energy storage. Check saturation current, impedance and temperature rise margin during SMT inductor selection.
Q: Which models do CD winding machines cover?
A: Donghong CD winding machines cover CD31/32/42/43/52/53/54/73/75/76/77/105/106/108 and more, subject to actual configuration.
Company Profile
Founded in 2013, Donghong Automation has a registered capital of 10.82 million RMB, a 5,500㎡ plant and over 120 employees, including 22 engineers. It focuses on complete automatic equipment solutions for SMT inductors, covering CD, NR, high-frequency and common mode series, including winding, soldering and test/packing machines, with 7×24 response.
Contact
Contact: Huang Tao (+86 13423124288)
Email: [email protected]